From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from terminus.zytor.com ([2001:1868:205::10] helo=mail.zytor.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UEu7Z-0004a4-Gc for kexec@lists.infradead.org; Mon, 11 Mar 2013 04:13:58 +0000 Message-ID: <513D5962.7000209@zytor.com> Date: Sun, 10 Mar 2013 21:11:14 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [PATCH v1 2/2] x86, apic: Disable BSP if boot cpu is AP References: <20121026.122406.13396329.d.hatayama@jp.fujitsu.com> <87r4oloopm.fsf@xmission.com> <20130311.100721.32982204.d.hatayama@jp.fujitsu.com> <20130311.111352.105946462.d.hatayama@jp.fujitsu.com> In-Reply-To: <20130311.111352.105946462.d.hatayama@jp.fujitsu.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: HATAYAMA Daisuke Cc: len.brown@intel.com, fenghua.yu@intel.com, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, rob.herring@calxeda.com, grant.likely@secretlab.ca, ebiederm@xmission.com, tglx@linutronix.de, mingo@elte.hu, vgoyal@redhat.com On 03/10/2013 07:13 PM, HATAYAMA Daisuke wrote: > > It seems to me that at least there needs to be the following design > policy for multiple CPUs on the 2nd kenrel: > > - There's no firmware, kernel components and modules that depend on > BSP flag being kept set on the original BSP flag and never set BSP > flag of any of the existing CPUs again at runtime. > And that is provably false in the case of firmware. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec